Here is a full copy of an example <asfs> section for the web.config of the ASFS-enabled webapp.

<asfs>
  <loginUrl value="/Shibboleth.sso/Login"/>
  <logoutUrl
    value="/Shibboleth.sso/Logout"
    logoutPage="/\_layouts/ASFSLogoutPage.aspx"
  />
  <adminEmail value="support@example.org" />
  <rulesConfiguration
    file="C:/Program Files (x86)/9Star Research/ActiveShareFSFNX/etc/asfs.xml"
    xsdFile="C:/Program Files (x86)/9Star Research/ActiveShareFSFNX/etc/asfs.xsd"
    updateOnChanges="true"
    ssoPath="Shibboleth.sso"
  />
  <sessionIdentifier value="HTTP_SHIBSESSIONID" />
  <logger
    file="C:/Program Files (x86)/9Star Research/ActiveShareFSFNX/logs/asfs.log"
    level="ALL"
    fileSize="5MB"
    maxSizeRollBackups="10"
  />
  <membershipProvider name="smp" />
  <roleProvider name="srp" />
  <intermediatePage
    enabled="false"
    customMessageEnabled="false"
    termsOfServiceEnabled="false">
    <pageTitle value="Welcome to ActiveShareFS 2010 Single Sign-On" />
    <pageTitleInTitleArea>
      <![CDATA[ActiveShareFS 2010]]>
    </pageTitleInTitleArea>
    <submitButton value="Continue" />
    <termsOfService>
      <![CDATA[
 <pre>
 TERMS OF SERVICE AGREEMENT
 </pre>
      ]]>
    </termsOfService>
    <customMessage>
      <![CDATA[
      ]]>
    </customMessage>
  </intermediatePage>
</asfs>

asfs/loginUrl[@value]: This is the Shibboleth SP path that triggers session initiation.

asfs/logoutUrl[@value]: This is the Shibboleth SP logout path.

asfs/logoutUrl[@logoutPage]: This is the location of the ASFS logout page.

asfs/adminEmail[@value]: This email address will show to users in error pages.

asfs/rulesConfiguration[@file]: This is the full path of the asfs.xml configuration file.

asfs/rulesConfiguration[@xsdFile]: This is the full path of the schema file used to validate the configuration XML file.

asfs/rulesConfiguration[@updateOnChanges]: Set this to true if you want ASFS to reload itself on configuration changes.

asfs/rulesConfiguration[@ssoPath]: This should be set to the value used to indicate a Shibboleth SP path.

asfs/sessionIdentifier[@value]: This is the server variable name of the value that contains the Shibboleth session ID.

asfs/logger[@file]: This is the full path of the log file that ASFS will write to.

asfs/logger[@level]: This is the log level. It can be “ALL”, “DEBUG”, “INFO”, WARN”, “ERROR”, “FATAL”, or “OFF”.

asfs/logger[@fileSize]: This specifies the max size of the log file.

asfs/logger[@maxSizeRollBackups]: This specifies how many log files to keep.

asfs/membershipProvider[@name]: This is the name of the membership provider used for this webapp.

asfs/roleProvider[@name]: This is the name of the role provider used for this webapp.

asfs/intermediatePage[@enabled]: This specifies whether or not to display the intermediate page before the user accesses the webapp.

asfs/intermediatePage[@customMessageEnabled]: This specifies whether or not to use a custom message in the intermediate page.

asfs/intermediatePage[@termsOfServiceEnabled]: This specifies whether or not to display a terms of service message in the intermediate page.